Light string with waterproof structure

Abstract

A light string with a waterproof structure includes a main cable, a connector and a light assembly. The connector includes a first plug handle, a second plug handle and a first waterproof cap. The first plug handle is provided with a plug, the first plug handle is provided with a first outer edge, and the second plug handle is provided with a socket. The first waterproof cap and the second plug handle can be selectively fastened and connected so that a first end of the first plug handle is tightly fitted with a first end of the second plug handle.

What is claimed is: 
     
       1. A light string with a waterproof structure, comprising:
 a cable, electrically connected to a plurality of light assemblies; and 
 a connector, comprising: 
 a first plug handle, having a first end arranged with a plug, an outer wall of the first plug handle provided with a first outer edge extending along a circumferential direction thereof, and the plug being electrically connected to a first end of the cable inside the first plug handle; 
 a second plug handle, having a first end arranged with a socket, and the socket being electrically connected to a second end of the cable inside the second plug handle; and 
 a first waterproof cap, sleeved outside of the first plug handle, an aperture of a second end of the first waterproof cap being smaller than an outer diameter of the first outer edge to allow the second end of the first waterproof cap to be restricted by the first outer edge to a side of the first plug handle; the first waterproof cap comprising an internal thread at an inner sidewall of the first waterproof cap; 
 the first plug handle is provided with a first gasket arranged between the second end of the first waterproof cap and the first outer edge; 
 the second plug handle comprises an external thread at an outer sidewall of the second plug handle; the second plug handle is provided with a second outer edge extending along a circumferential direction of the second plug handle; the second plug handle is provided with a second gasket located between the second outer edge and the external thread; 
 the internal thread of the first waterproof cap is configured to be threaded to the external thread of the second plug handle to allow the first end of the first plug handle to be fitted with the first end of the second plug handle, an inner wall of the second end of the first waterproof cap to be fitted with the first gasket, and an outer wall of the first end of the first waterproof cap to be fitted with the second gasket. 
 
     
     
       2. The light string according to  claim 1 ,
 wherein the first plug handle is defined with a first annular slot, the first annular slot is located proximal to the first outer edge and faces the cable, and at least a portion of the first gasket is embedded in the first annular slot to allow the first gasket to be restricted on the first plug handle. 
 
     
     
       3. The light string according to  claim 1 ,
 wherein the second plug handle is defined with a second annular slot, the second annular slot is located proximal to the second outer edge and faces away from the cable, and at least a portion of the second gasket is embedded in the second annular slot to allow the second gasket to be restricted on the second plug handle. 
 
     
     
       4. The light string according to  claim 1 ,
 wherein the connector further comprises a second waterproof cap defined with a blind hole, and the second waterproof cap is capable of being threaded to the second plug handle to allow a bottom surface of the blind hole of the second waterproof cap to be tightly fitted with an end surface of the first end of the second plug handle. 
 
     
     
       5. The light string according to  claim 1 ,
 wherein the connector further comprises a fuse arranged on the first plug handle or the second plug handle, and the fuse is electrically connected to the cable and the first plug handle or the second plug handle. 
 
     
     
       6. The light string according to  claim 5 ,
 wherein the first plug handle or the second plug handle is defined with a slot configured for installing the fuse. 
 
     
     
       7. The light string according to  claim 6 ,
 wherein the slot is located between the first end of the first plug handle and the first outer edge, and the first waterproof cap is threaded to the second plug handle to allow the slot to be sealed by the first waterproof cap. 
 
     
     
       8. The light string according to  claim 6 ,
 wherein the slot is installed with a slot cover, and the slot cover is configured to be snap-fitted with the slot. 
 
     
     
       9. The light string according to  claim 8 ,
 wherein the slot cover is connected to the first plug handle or the second plug handle through a connecting belt. 
 
     
     
       10. The light string according to  claim 1 ,
 wherein each of the plurality of light assemblies comprises a lamp holder and a bulb electrically connected, and the cable is electrically connected to an electrical connector in each lamp holder. 
 
     
     
       11. The light string according to  claim 10 ,
 wherein each lamp holder comprises: 
 a housing, having a first end defined with an inner cavity; 
 a top cover, detachably mounted on a second end of the housing; 
 a first electrical connector, a portion thereof extending into the inner cavity and electrically connected to a first electrode of the bulb, and one end of the first electrical connector being arranged with a spike; and 
 a second electrical connector, a portion thereof extending into the inner cavity and electrically connected to a second electrode of the bulb, and one end of the second electrical connector being arranged with a spike; 
 wherein the cable is restricted by the top cover on the second end of the housing, and the spike of the first electrical connector and the spike of the second electrical connector are capable of piercing an outer layer of the cable and being electrically connected to the cable. 
 
     
     
       12. The light string according to  claim 11 ,
 wherein the second end of the housing is defined with a bottom, a first slot and a second slot; 
 a portion of the first slot is provided on an inner wall of the inner cavity and communicates with the inner cavity, and the first electrical connector is detachably installed in the first slot; the second slot is provided on the bottom of the housing, and the second electrical connector is detachably installed in the second slot. 
 
     
     
       13. The light string according to  claim 11 ,
 wherein the first electrical connector is electrically connected with an elastic member, at least a portion of the elastic member is arranged in and protrudes toward the inner cavity to allow the at least a portion of the elastic member and the first electrode of the bulb to be tightly abutted against each other. 
 
     
     
       14. The light string according to  claim 11 ,
 wherein the second end of the housing is defined with an assembly hole; one end, facing the housing, of the top cover is provided with a hook configured to be engaged with the assembly hole. 
 
     
     
       15. The light string according to  claim 11 ,
 wherein each of the plurality of the light assemblies further comprises an outer casing, and the lamp holder is arranged in the outer casing. 
 
     
     
       16. The light string according to  claim 11 ,
 wherein the housing is defined with a first through hole running through the second end of the housing and in communication with the inner cavity; or 
 the housing is defined with a first through hole and a second through hole, the first through hole runs through the second end of the housing and is in communication with the inner cavity, the first end of the housing is defined with the second through hole, and the first through hole is in communication with an outside of the housing through the second through hole.